Electric motor



FIG. 1 is a front elevational view of an electric motor showing our new design;

FIG. 2 is a back elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view of the right side thereof;

FIG. 6 is a side elevational view of the left side thereof; and,

FIG. 7 is a perspective view taken generally from the top, front, right-hand side thereof.

The broken lines shown in the drawings represent portions of the electric motor that form no part of the claimed design. 

CLAIM The ornamental design for an electric motor, as shown and described. 